16988244

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{331}}^1$

素因数の和:405

約数の個数: 96

約数和(自身を含む): 49975296

約数和(自身を除く): 32987052

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 47, 52, 78, 84, 91, 94, 141, 156, 182, 188, 273, 282, 329, 331, 364, 546, 564, 611, 658, 662, 987, 993, 1092, 1222, 1316, 1324, 1833, 1974, 1986, 2317, 2444, 3666, 3948, 3972, 4277, 4303, 4634, 6951, 7332, 8554, 8606, 9268, 12831, 12909, 13902, 15557, 17108, 17212, 25662, 25818, 27804, 30121, 31114, 46671, 51324, 51636, 60242, 62228, 90363, 93342, 108899, 120484, 180726, 186684, 202241, 217798, 326697, 361452, 404482, 435596, 606723, 653394, 808964, 1213446, 1306788, 1415687, 2426892, 2831374, 4247061, 5662748, 8494122, 16988244]

約数ペア:

[(1, 16988244), (2, 8494122), (3, 5662748), (4, 4247061), (6, 2831374), (7, 2426892), (12, 1415687), (13, 1306788), (14, 1213446), (21, 808964), (26, 653394), (28, 606723), (39, 435596), (42, 404482), (47, 361452), (52, 326697), (78, 217798), (84, 202241), (91, 186684), (94, 180726), (141, 120484), (156, 108899), (182, 93342), (188, 90363), (273, 62228), (282, 60242), (329, 51636), (331, 51324), (364, 46671), (546, 31114), (564, 30121), (611, 27804), (658, 25818), (662, 25662), (987, 17212), (993, 17108), (1092, 15557), (1222, 13902), (1316, 12909), (1324, 12831), (1833, 9268), (1974, 8606), (1986, 8554), (2317, 7332), (2444, 6951), (3666, 4634), (3948, 4303), (3972, 4277)]